Tree 25-30 m tall. Adult leaves in whorls of 5 or 6; petiole 3-25 mm long; lamina ovate, sometimes obovate, 11.5-26 cm long, 4-13.5 cm wide, glossy above, dull below, coriaceous, glabrescent; base cuneate; margin entire; apex acute to acuminate; midrib prominent below and somewhat prominent above. Conflorescence of 1-2 whorls on 4-10 cm long stalks; each whorl with 4-6 racemes; rachis 8-19 cm long, 2-3 mm diam.; bract c. 1.2 mm long, triangular, concave. Tepals free, 8.5-13.5 mm long, cream. Filaments 6-11 mm long, adnate to tepals for 5-10 mm. Anthers 1-3 mm long. Ovary 1-1.7 mm long; style 10-19 mm long, somewhat quadrate. Fruit globose, 6.5-7 cm long, 6.5-8 cm wide; pericarp 8-10 mm thick, dark green to black, coriaceous. Seeds globose, c. 5 cm long, c. 6.5 cm wide; testa 1-2 mm thick, thicker near pedicel.